pls answer quickly

A stock price index at time t has the distribution according to the random variable 3; = 75 x exp (pt + ow/EZ) where Z has a standard normal distribution and time is measured in years. Parameter values are ,u = 0.15 and a = 0.35 and the stock index pays a continuous dividend at the rate 6 = 0.03. You invest $3,500 in the stock index at time 0 and your dividends are immediately reinvested in the stock index over the life of your investment. (3) What is the probability that the one-year total return on your investment is less than or equal to -10%? (ie. what is the probability that you lose at least 10% on your initial investment over the year?) (b) What is the 0.10 percentile of your one-year investment total return